some of the Rocket League Trading older slides from xingwang's blog

“as soon as Summer 2020” in some of the Rocket League Trading older slides, and a Fall 2020 release in the updated listings. However, it is now slated for a worldwide launch “later this year,” as a free download on iOS and Android. A second mobile product was also listed as being “on the horizon,” but no additional details were included. 

A project titled Rocket League “Next” is also mentioned in the documents, which noted plans for a new, next-gen client that would provide a full gameplay experience for Rocket League across all platforms.

 This would include cross-play, cross-progression, and www.lolga.com more between PC, console and mobile.